Home / 814,454.84-1,124,009.35-451,947.28

Finding the Fourth Proportional to 814,454.84, 1,124,009.35 and 451,947.28

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Solution

The fourth proportional to 814,454.84, 1,124,009.35 and 451,947.28 is: 623,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,454.84 : 1,124,009.35 = 451,947.28 : x
  2. Step 2: Convert to fraction form
    814,454.84/1,124,009.35 = 451,947.28/x
  3. Step 3: Cross multiply
    814,454.84x = 1,124,009.35 × 451,947.28
  4. Step 4: Simplify right side
    814,454.84x = 507,992,968,427.07
  5. Step 5: Solve for x
    x = 507,992,968,427.07/814,454.84
  6. Step 6: Final answer
    x = 623,721.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.